As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE TAILCONE FAILED TO DEPLOY DURING ROUTINE DROP TEST. MAINTENANCE DISCOVERED THAT THE RELEASE LATCH T-PIN NR 12 FOR THE TAILCONE WAS NOT PROPERLY ENGAGED. THE T-PIN WAS REENGAGED AS DESIGNED AND IN COMPLIANCE WITH AMDS 5352-2001 THE SYSTEM WAS RIGGED TO SPECIFICATIONS. THE RII AND FUNCTIONAL CHECK WAS COMPLETED SATISFACTORILY.